Questions tagged [kubernetes]

KUBERNETES QUESTIONS MUST BE DEVELOPER RELATED. Kubernetes is an open-source platform designed to automate deployment, scaling, and operation of application containers, across multiple hosts and/or clouds. Questions about configuring clusters should be asked on https://serverfault.com

This issue is related to this provisioning workflow: https://github.com/kubernetes/kubernetes/tree/master/docs/getting-started-guides/coreos/azure
The provisioning works fine but as soon as I login ...

Followed this guide to starting a local-machine kubernetes cluster:
http://kubernetes.io/v1.0/docs/getting-started-guides/docker.html
I've created various pods with .yaml files and everything works, ...

I am using fabric8.io to orchestrate application containers in Kubernetes. I am looking to create a Service that manages a pod with a certain label on a certain port. Is there a specific example of ...

i´ve created a cluster on google cloud platform consisting of 3 g1-small instances and have not yet added any pod / service / etc. Still, when I log on to the Kubernetes UI, all three instances show a ...

I am trying to figure out how to update a node's pod capacity. I have a simple cluster setup using the Vagrant/VM environment outlined in the documentation. I have attempted to patch the node's pod ...

I am looking for a complete example that explains the deployment of application container using the fabric8 java API. What should be the execution order of the following concepts?
Service
Replication ...

I've successfully connected to container engine through googleapis nodejs client and get the cluster object back (according to the doc here), and saved the masterAuth object to a json file on disk. ...

I was wondering if Google Kubernetes is able to run Apache Mesos frameworks, such as Hadoop or Cassandra etc.., like applications running on top of it. If yes or no, please justify your answers. Thank ...

I have two Docker containers running Flask and redis each that communicate well when linked using Docker container linking.
I am trying to deploy the same on Kubernetes using services and pods but, ...

Does anyone have experience in Autoscaling containers using Google Container Engine? Containers are useful, but if I need to manually scale, and my web service has a traffic spike and people get 404'...

When setting a persistentVolumeClaim in the kubernetes ReplicationController template, each pod will share the same persistent volume.
Is there any way that can make each pod gets its own volume in ...

Docker allows execution of commands as other user with docker exec -u, when USER something in used in Dockerfile.
It is helpful to enter into superuser mode to debug issues, when you are running you ...

We'd like to customise the fluentd config that comes out of the box with the kubernetes fluentd-elasticsearch addon. It seems however that there is no easy way of doing this with the current supplied ...

I have a working kubernetes cluster with the elasticsearch up and running returning a 200. I am trying to install the HQ plugin. So i log into the node running the es-client, and attach to the docker ...

I am trying to find an example that helps deploy a docker image on the kubernetes cluster from java. I came across fabric8,(http://fabric8.io/) that does this but could not find a specific example or ...

I have a docker image that needs the container IP address (or hostname) to be passed by the command line.
Is it possible expansion the pod hostname or IP in the container command definition? if not, ...

I am trying to prepare a dev environment for my team, so we can develop, stage and deploy with the same (or near same) environment.
Getting a Kubernetes Cluster running locally via http://kubernetes....

I'm trying to enable the skyDNS addon for my kubernetes cluster. I'm behind a corporate proxy, and it seems to be unable to talk to gcr.io. The following errors show up in the logs:
Oct 20 13:55:46 ...

A little bit of background: I have a Go service that uses gRPC to communicate with client apps. gRPC uses HTTP2, so I can't use Google App Engine or the Google Cloud HTTP Load Balancer. I need raw TCP ...

I am trying to follow this tutorial with two Vagrant instances:
http://kubernetes.io/v1.0/docs/getting-started-guides/docker-multinode.html
After setting up master and worker node I tried to connect ...

I tried looking for a Jenkins plugin (like AWS codeDeploy) so that I could deploy my application to a Kubernetes cluster. So far, I have been successful at pushing it to a Docker registry and adding ...

I am running 3 ubuntu server VMs on my local machine and trying to manage with kubernetes.
The UI does not start by itself when using the start script, so I tried to start up the UI manually using:
...

I have 2 questions about the orchestrationtool Kubernetes.
1) What is the Kube controller doing? Sometimes I read that it's really creating pods (the API server tells it how). And Sometimes I read it'...

admission controller intercepts requests after authentication and authorization, but it result in permit or deny the request. From my point of view, it can control in more detail. what's the design ...

Trying to setup a pilot in GCE to try out GKE. I'm trying to create a new instance template from a copy of the one created with by the "gcloud container clusters create" with more space per instance ...